Home / 28,230.33-42,352.62-19,926.57

Finding the Fourth Proportional to 28,230.33, 42,352.62 and 19,926.57

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Solution

The fourth proportional to 28,230.33, 42,352.62 and 19,926.57 is: 29,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.33 : 42,352.62 = 19,926.57 : x
  2. Step 2: Convert to fraction form
    28,230.33/42,352.62 = 19,926.57/x
  3. Step 3: Cross multiply
    28,230.33x = 42,352.62 × 19,926.57
  4. Step 4: Simplify right side
    28,230.33x = 843,942,447.11
  5. Step 5: Solve for x
    x = 843,942,447.11/28,230.33
  6. Step 6: Final answer
    x = 29,894.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.